To add or remove units to/from a retranslator, use the command retranslator/update_units:

svc=retranslator/update_units&params={"itemId":<long>,
				      "units":[{"a":<text>,
						"i":<long>,
						"st":<uint>}, ...],
				      "callMode":<text>
 
}

Use callMode to apply diff or descride all units in “units” array.

{
	"rtru":[
		{
			"i":<long>,	/* unit ID */
			"a":<text>,	/* hardware unique ID */
			"st":<uint>	/* time, when retranslation will be stopped */
		}
	]
}